ITEM NAME:4AN Turbo Oil Feed Restrictor Fittings for T25 T28 or GT25R GT28R GT30 GT35R Description: Type: 4AN Turbo Oil Feed Adapter Fitting. 100% brand new and high quality. Made of aluminum, strong and durable. Direct Replacement your old or broken assemblies. Appropriate for ball bearing or non-ball bearing turbo use. Specification: Size(AN): AN -4 Size ( INVERTED FLARE ): 7/16-24 inverted flare Materials: Auminum Color: BLUE Restrictor (Hole Size): 0.9mm (0.035") Fitment: For T25 T28 or GT25R GT28R GT28RS GT30 GT35R Turbocharger Package Includes: 1 Piece Oil Feed Restrictor Fitting Note: Professional Installation is Highly Recommended. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you. SKU: DMO0000873852035059.Type: 4AN Turbo Oil Feed Adapter Fitting. Restrictor (Hole Size): 0.9mm (0.035"). 1 Piece Oil Feed Restrictor Fitting. Appropriate for ball bearing or non-ball bearing turbo use. Size(AN): AN -4.